1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 //
3 // This file is provided under a dual BSD/GPLv2 license. When using or
4 // redistributing this file, you may do so under either license.
5 //
6 // Copyright(c) 2023 Advanced Micro Devices, Inc. All rights reserved.
7 //
8 // Authors: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
9
10 /*.
11 * PCI interface for Vangogh ACP device
12 */
13
14 #include <linux/module.h>
15 #include <linux/pci.h>
16 #include <sound/sof.h>
17 #include <sound/soc-acpi.h>
18
19 #include "../sof-pci-dev.h"
20 #include "../../amd/mach-config.h"
21 #include "acp.h"
22 #include "acp-dsp-offset.h"
23
24 #define ACP5X_FUTURE_REG_ACLK_0 0x1864
25
26 static const struct sof_amd_acp_desc vangogh_chip_info = {
27 .name = "vangogh",
28 .pgfsm_base = ACP5X_PGFSM_BASE,
29 .ext_intr_stat = ACP5X_EXT_INTR_STAT,
30 .dsp_intr_base = ACP5X_DSP_SW_INTR_BASE,
31 .sram_pte_offset = ACP5X_SRAM_PTE_OFFSET,
32 .hw_semaphore_offset = ACP5X_AXI2DAGB_SEM_0,
33 .probe_reg_offset = ACP5X_FUTURE_REG_ACLK_0,
34 };
35
36 static const struct sof_dev_desc vangogh_desc = {
37 .machines = snd_soc_acpi_amd_vangogh_sof_machines,
38 .resindex_lpe_base = 0,
39 .resindex_pcicfg_base = -1,
40 .resindex_imr_base = -1,
41 .irqindex_host_ipc = -1,
42 .chip_info = &vangogh_chip_info,
43 .ipc_supported_mask = BIT(SOF_IPC_TYPE_3),
44 .ipc_default = SOF_IPC_TYPE_3,
45 .default_fw_path = {
46 [SOF_IPC_TYPE_3] = "amd/sof",
47 },
48 .default_tplg_path = {
49 [SOF_IPC_TYPE_3] = "amd/sof-tplg",
50 },
51 .default_fw_filename = {
52 [SOF_IPC_TYPE_3] = "sof-vangogh.ri",
53 },
54 .nocodec_tplg_filename = "sof-acp.tplg",
55 .ops = &sof_vangogh_ops,
56 .ops_init = sof_vangogh_ops_init,
57 };
58
acp_pci_vgh_probe(struct pci_dev * pci,const struct pci_device_id * pci_id)59 static int acp_pci_vgh_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
60 {
61 unsigned int flag;
62
63 if (pci->revision != ACP_VANGOGH_PCI_ID)
64 return -ENODEV;
65
66 flag = snd_amd_acp_find_config(pci);
67 if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
68 return -ENODEV;
69
70 return sof_pci_probe(pci, pci_id);
71 };
72
acp_pci_vgh_remove(struct pci_dev * pci)73 static void acp_pci_vgh_remove(struct pci_dev *pci)
74 {
75 sof_pci_remove(pci);
76 }
77
78 /* PCI IDs */
79 static const struct pci_device_id vgh_pci_ids[] = {
80 { PCI_DEVICE(PCI_VENDOR_ID_AMD, ACP_PCI_DEV_ID),
81 .driver_data = (unsigned long)&vangogh_desc},
82 { 0, }
83 };
84 MODULE_DEVICE_TABLE(pci, vgh_pci_ids);
85
86 /* pci_driver definition */
87 static struct pci_driver snd_sof_pci_amd_vgh_driver = {
88 .name = KBUILD_MODNAME,
89 .id_table = vgh_pci_ids,
90 .probe = acp_pci_vgh_probe,
91 .remove = acp_pci_vgh_remove,
92 .driver = {
93 .pm = pm_ptr(&sof_pci_pm),
94 },
95 };
96 module_pci_driver(snd_sof_pci_amd_vgh_driver);
97
98 MODULE_LICENSE("Dual BSD/GPL");
99 MODULE_DESCRIPTION("VANGOGH SOF Driver");
100 MODULE_IMPORT_NS("SND_SOC_SOF_AMD_COMMON");
101 MODULE_IMPORT_NS("SND_SOC_SOF_PCI_DEV");
102